2012-03-22 Jiangning Liu <jiangning.liu@arm.com>

	PR tree-optimization/52563
	* gcc.dg/tree-ssa/scev-3.c: XFAIL on lp64.
	* gcc.dg/tree-ssa/scev-4.c: XFAIL on lp64.
	* gcc.dg/tree-ssa/scev-5.c: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@185678 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/scev-3.c b/gcc/testsuite/gcc.dg/tree-ssa/scev-3.c
index 28d5c93..ed63a18 100644 (file)
--- a/gcc/testsuite/gcc.dg/tree-ssa/scev-3.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/scev-3.c
@@ -14,5 +14,5 @@ f(int k)
         }
 }
 
-/* { dg-final { scan-tree-dump-times "&a" 1 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "&a" 1 "optimized" { xfail lp64 } } } */
 /* { dg-final { cleanup-tree-dump "optimized" } } */

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/scev-4.c b/gcc/testsuite/gcc.dg/tree-ssa/scev-4.c
index 6c1e530..a538c32 100644 (file)
--- a/gcc/testsuite/gcc.dg/tree-ssa/scev-4.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/scev-4.c
@@ -19,5 +19,5 @@ f(int k)
         }
 }
 
-/* { dg-final { scan-tree-dump-times "&a" 1 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "&a" 1 "optimized" { xfail lp64 } } } */
 /* { dg-final { cleanup-tree-dump "optimized" } } */

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/scev-5.c b/gcc/testsuite/gcc.dg/tree-ssa/scev-5.c
new file mode 100644 (file)
index 0000000..b9de36a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/scev-5.c
@@ -0,0 +1,18 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+int *a_p;
+int a[1000];
+
+f(int k)
+{
+        long long i;
+
+        for (i=k; i<1000; i+=k) {
+                a_p = &a[i];
+                *a_p = 100;
+        }
+}
+
+/* { dg-final { scan-tree-dump-times "&a" 1 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */